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The Sleepiest Epidemic, Really Deep Holes, Goddess of Dirty Dishes

The Weirdest Thing I Learned This Week

00:00

The USSR's Project Millhole

The USSR tried to drill into the Earth's mantle. The project was eventually canceled in 1966 after a series of setbacks. It is as deepest that we have drilled to this day, but it has since been shut down.

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